Merchant contact
http://onlinebusinessbuilderchallenge15days.com
Contact for Onlinebusinessbuilderchallenge15days.com. Trying the merchant first strengthens your dispute.
No response from Onlinebusinessbuilderchallenge15days.com?
That's exactly what chargebacks are for. We'll guide you through filing.
File a chargeback for Onlinebusinessbuilderchallenge15days.com